Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000109380-20-000212-index-headers.html | 2020-08-05 15:41:54 | |
| 0000109380-20-000212-index.html | 2020-08-05 15:41:54 | |
| 0000109380-20-000212.txt | 2020-08-05 15:41:54 | |
 0000109380-20-000212-xbrl.zip | 1199018 | 2020-08-05 15:41:54 |
| exh101-zionspensionsix.htm | 11390 | 2020-08-05 15:41:54 |
| exh311certofceo10-q202.htm | 12156 | 2020-08-05 15:41:54 |
| exh312certofcfo10-q202.htm | 11819 | 2020-08-05 15:41:54 |
| exh32certofceocfo10-q2.htm | 8387 | 2020-08-05 15:41:54 |
| FilingSummary.xml | 59140 | 2020-08-05 15:41:54 |
| Financial_Report.xlsx | 172839 | 2020-08-05 15:41:54 |
| MetaLinks.json | 1095166 | 2020-08-05 15:41:54 |
| R1.htm | 66385 | 2020-08-05 15:41:54 |
| R10.htm | 334380 | 2020-08-05 15:41:54 |
| R11.htm | 102672 | 2020-08-05 15:41:54 |
| R12.htm | 428502 | 2020-08-05 15:41:54 |
| R13.htm | 1461820 | 2020-08-05 15:41:54 |
| R14.htm | 312434 | 2020-08-05 15:41:54 |
| R15.htm | 73861 | 2020-08-05 15:41:54 |
| R16.htm | 106184 | 2020-08-05 15:41:54 |
| R17.htm | 35744 | 2020-08-05 15:41:54 |
| R18.htm | 486155 | 2020-08-05 15:41:54 |
| R19.htm | 30308 | 2020-08-05 15:41:54 |
| R2.htm | 87409 | 2020-08-05 15:41:54 |
| R20.htm | 6066 | 2020-08-05 15:41:54 |
| R21.htm | 81330 | 2020-08-05 15:41:54 |
| R22.htm | 329395 | 2020-08-05 15:41:54 |
| R23.htm | 26336 | 2020-08-05 15:41:54 |
| R24.htm | 335522 | 2020-08-05 15:41:54 |
| R25.htm | 201073 | 2020-08-05 15:41:54 |
| R26.htm | 427047 | 2020-08-05 15:41:54 |
| R27.htm | 1438687 | 2020-08-05 15:41:54 |
| R28.htm | 316964 | 2020-08-05 15:41:54 |
| R29.htm | 75931 | 2020-08-05 15:41:54 |
| R3.htm | 14736 | 2020-08-05 15:41:54 |
| R30.htm | 106667 | 2020-08-05 15:41:54 |
| R31.htm | 19266 | 2020-08-05 15:41:54 |
| R32.htm | 484095 | 2020-08-05 15:41:54 |
| R33.htm | 29705 | 2020-08-05 15:41:54 |
| R34.htm | 84987 | 2020-08-05 15:41:54 |
| R35.htm | 326223 | 2020-08-05 15:41:54 |
| R36.htm | 5861 | 2020-08-05 15:41:54 |
| R37.htm | 4035 | 2020-08-05 15:41:54 |
| R38.htm | 19915 | 2020-08-05 15:41:54 |
| R39.htm | 74863 | 2020-08-05 15:41:54 |
| R4.htm | 106912 | 2020-08-05 15:41:54 |
| R40.htm | 21097 | 2020-08-05 15:41:54 |
| R41.htm | 33779 | 2020-08-05 15:41:54 |
| R42.htm | 12399 | 2020-08-05 15:41:54 |
| R43.htm | 22329 | 2020-08-05 15:41:54 |
| R44.htm | 97755 | 2020-08-05 15:41:54 |
| R45.htm | 18770 | 2020-08-05 15:41:54 |
| R46.htm | 46256 | 2020-08-05 15:41:54 |
| R47.htm | 98317 | 2020-08-05 15:41:54 |
| R48.htm | 71396 | 2020-08-05 15:41:54 |
| R49.htm | 15962 | 2020-08-05 15:41:54 |
| R5.htm | 27137 | 2020-08-05 15:41:54 |
| R50.htm | 9066 | 2020-08-05 15:41:54 |
| R51.htm | 17509 | 2020-08-05 15:41:54 |
| R52.htm | 43733 | 2020-08-05 15:41:54 |
| R53.htm | 34884 | 2020-08-05 15:41:54 |
| R54.htm | 60251 | 2020-08-05 15:41:54 |
| R55.htm | 63855 | 2020-08-05 15:41:54 |
| R56.htm | 115037 | 2020-08-05 15:41:54 |
| R57.htm | 493749 | 2020-08-05 15:41:54 |
| R58.htm | 202622 | 2020-08-05 15:41:54 |
| R59.htm | 33807 | 2020-08-05 15:41:54 |
| R6.htm | 73214 | 2020-08-05 15:41:54 |
| R60.htm | 26937 | 2020-08-05 15:41:54 |
| R61.htm | 51264 | 2020-08-05 15:41:54 |
| R62.htm | 60103 | 2020-08-05 15:41:54 |
| R63.htm | 54217 | 2020-08-05 15:41:54 |
| R64.htm | 6282 | 2020-08-05 15:41:54 |
| R65.htm | 12615 | 2020-08-05 15:41:54 |
| R66.htm | 7904 | 2020-08-05 15:41:54 |
| R67.htm | 21711 | 2020-08-05 15:41:54 |
| R68.htm | 15458 | 2020-08-05 15:41:54 |
| R69.htm | 9495 | 2020-08-05 15:41:54 |
| R7.htm | 91058 | 2020-08-05 15:41:54 |
| R70.htm | 7370 | 2020-08-05 15:41:54 |
| R71.htm | 15839 | 2020-08-05 15:41:54 |
| R72.htm | 13051 | 2020-08-05 15:41:54 |
| R73.htm | 16532 | 2020-08-05 15:41:54 |
| R74.htm | 29750 | 2020-08-05 15:41:54 |
| R75.htm | 40554 | 2020-08-05 15:41:54 |
| R76.htm | 15027 | 2020-08-05 15:41:54 |
| R77.htm | 13214 | 2020-08-05 15:41:54 |
| R78.htm | 13307 | 2020-08-05 15:41:54 |
| R79.htm | 99051 | 2020-08-05 15:41:54 |
| R8.htm | 8300 | 2020-08-05 15:41:54 |
| R80.htm | 16142 | 2020-08-05 15:41:54 |
| R81.htm | 11072 | 2020-08-05 15:41:54 |
| R82.htm | 7587 | 2020-08-05 15:41:54 |
| R83.htm | 41999 | 2020-08-05 15:41:54 |
| R84.htm | 9946 | 2020-08-05 15:41:54 |
| R85.htm | 89476 | 2020-08-05 15:41:54 |
| R9.htm | 26589 | 2020-08-05 15:41:54 |
| report.css | 2768 | 2020-08-05 15:41:54 |
| Show.js | 1086 | 2020-08-05 15:41:54 |
| zions-20200630.htm | 9315138 | 2020-08-05 15:41:54 |
| zions-20200630.xsd | 148121 | 2020-08-05 15:41:54 |
| zions-20200630_cal.xml | 188510 | 2020-08-05 15:41:54 |
| zions-20200630_def.xml | 600554 | 2020-08-05 15:41:54 |
 zions-20200630_g1.jpg | 128387 | 2020-08-05 15:41:54 |
 zions-20200630_g10.jpg | 58247 | 2020-08-05 15:41:54 |
 zions-20200630_g11.jpg | 69186 | 2020-08-05 15:41:54 |
 zions-20200630_g2.jpg | 15106 | 2020-08-05 15:41:54 |
 zions-20200630_g3.jpg | 17435 | 2020-08-05 15:41:54 |
 zions-20200630_g4.jpg | 21167 | 2020-08-05 15:41:54 |
 zions-20200630_g5.jpg | 19124 | 2020-08-05 15:41:54 |
 zions-20200630_g6.jpg | 79190 | 2020-08-05 15:41:54 |
 zions-20200630_g7.jpg | 65790 | 2020-08-05 15:41:54 |
 zions-20200630_g8.jpg | 64792 | 2020-08-05 15:41:54 |
 zions-20200630_g9.jpg | 63655 | 2020-08-05 15:41:54 |
| zions-20200630_htm.xml | 11058015 | 2020-08-05 15:41:54 |
| zions-20200630_lab.xml | 1352112 | 2020-08-05 15:41:54 |
| zions-20200630_pre.xml | 833735 | 2020-08-05 15:41:54 |